What It Is A syntheticbristle, multipurpose brush that effortlessly applies coverage to imperfections. What It Does This brush also helps add definition to the eye with ease. A multipurpose brush that effortlessly applies coverage to any imperfections, as well as definition to the eye with ease. This multiuse brush is designed to apply coverage to any imperfections with ease, as well as adds definition to the eye. How To Use Place the pointed tip into cream or powder coverage products and place it onto the area you wish to conceal. For an added definition to the eyes, place the brush into eye color, test on the back of the hand, and place in the crease or walk across the lash line for a diffused liner look. Synthetic hair. Pairs Well With Trish Classic Eye Shadow Trish Eye Definer Trish Instant Eye